[  493.472328] netdevsim netdevsim477 eni477np1: renamed from eth0
[  493.568579] netdevsim netdevsim696 eni696np1: renamed from eth1
[  493.798849] Could not find device with ifindex 2000 in netnsfd 11
[  493.799282] Could not find netns with fd: 2000
[  493.799396] Cannot link a netdevsim to itself
[  493.799528] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).